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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 27, Iss. 12 — Jun. 15, 1988
  • pp: 2583–2586

High focal depth by apodization and digital restoration

Jorge Ojeda-Castaneda, R. Ramos, and A. Noyola-Isgleas  »View Author Affiliations


Applied Optics, Vol. 27, Issue 12, pp. 2583-2586 (1988)
http://dx.doi.org/10.1364/AO.27.002583


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Abstract

We show that by using an iterative, digital restoration algorithm (Wiener or Kalman), it is possible to improve substantially the defocused optical transfer function of a previously apodized optical system. Consequently, high focal depth can be achieved by the use of an apodizer at the recording step, and a posteriori step of digital restoration. Computer-simulated images exhibit the focal depth achieved.

© 1988 Optical Society of America

History
Original Manuscript: June 8, 1987
Published: June 15, 1988

Citation
Jorge Ojeda-Castaneda, R. Ramos, and A. Noyola-Isgleas, "High focal depth by apodization and digital restoration," Appl. Opt. 27, 2583-2586 (1988)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-27-12-2583

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